Keep an eye on the boys. They're mischievous.

It was naughty of Mary to pull the kitten's tail.

You are naughty.

There are a handful of naughty boys in my neighborhood.

While she was running after the naughty boy, one of her shoes came off.

My flower garden was trampled by urchins.

That naughty child needs a good beating.

He is a naughty boy.

Tom is a naughty boy.